FR744296A - - Google Patents
Info
- Publication number
- FR744296A FR744296A FR744296DA FR744296A FR 744296 A FR744296 A FR 744296A FR 744296D A FR744296D A FR 744296DA FR 744296 A FR744296 A FR 744296A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/28—Envelopes; Vessels
- H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
- H01K1/325—Reflecting coating
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2741031A GB380613A (en) | 1931-10-02 | 1931-10-02 | Improvements in or relating to electric lamp bulbs for vehicle head-lamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR744296A true FR744296A (pt) | 1933-04-14 |
Family
ID=10259112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR744296D Expired FR744296A (pt) | 1931-10-02 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR744296A (pt) |
| GB (1) | GB380613A (pt) |
-
0
- FR FR744296D patent/FR744296A/fr not_active Expired
-
1931
- 1931-10-02 GB GB2741031A patent/GB380613A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB380613A (en) | 1932-09-22 |